# How To Build Deck Stairs Around A 90 Degree Corner

To determine the best stair stringer plan for your steps, measure the exact height of the deck from the top of the decking to where the stairs will rest on the ground. Remove the riser board thickness from the top stair and the tread board thickness from the bottom step.

One of the most important things to remember is to frame the part of the deck that extends out from the rest and will be used to attach the steps. The simplest stair construction is to run the stairs straight from the lower level to the upper level. Long stairwells, especially those used in outdoor construction, can be dangerous.

## Steps To Build Deck Stairs Around A 90 Degree Corner:

Constructing a landing deck halfway up the stairwell to create two shorter staircases is one approach to solve this problem. This also allows you to construct your steps in a smaller space or in a space where one straight run from deck to the ground is not possible.

### Determine The Dimensions Of Deck:

From the ground to the top of the deck, take measurements. To calculate the number of steps required, multiply this by eight. Subtract two from this number. Divide the result by ten inches. Measure this distance from the deck to determine where the top stair’s foot will terminate.

### Mark Points On Landing Deck:

Each corner of your landing deck should be marked with a wooden stake. Make the stair’s edge closer to the main deck than the stair’s end. Build a deck at least 3 feet long and a little broader than your stairs.

Wrap a thread around your framing square’s 10-inch mark on the short side. Stretch the string across to the 8-inch mark on the long end and wrap it around it, tying it tightly.

### Trace The Corner Of The Square:

Place the square on a board with one edge and a corner matched by the string. Trace the square’s corner to record one step.

Shift the square till the short side’s string corresponds to the long side’s line’s end, then trace it again. Rep the method for each stage. Stringers are these, and four of them should be labeled.

### Layout The Stringers:

Using a jigsaw, cut the notches you drew. Using a circular saw, cut boards for each step to the length of your desired stair width. Arrange the stringers in two pairs, parallel to each other and with the notches’ points facing up.

Using a cordless drill and 3-inch treated deck screws, screw one board between each pair of stringers on each 8-inch face.

### Install Stair’s Stringers:

To replace each stake, dig a deep post hole. Fill each hole with a treated post. Two boards should be the width of your landing deck, and two should be the length.

To make a rectangle frame, lag bolts them to the posts at the right height. Each bolt should be given its own hole to be drilled. With a socket wrench, pound them in. Every 12 inches, secure a board between the sideboards with treated deck screws driven through the ends of the outside boards.

At each end, use two screws. Make sure the treated deck planks are long enough to support your platform. Using a reciprocating saw, remove the posts level with the outer boards. To the top of the platform, screw the deck planks in place.

### Use Lag Bolts To Attach Stringers:

Drill holes where the stringers intersect the edge boards of the top and bottom platforms. Lag bolts from the inside into the back of each stringer are used to fasten the stringers together.

### Conclusion:

In most countries, railings are required for any higher deck than normal. Some building laws require handrails on decks with more than three steps; as usual, check with your town before you start building.

You’ll need a second beam or beams to support that small section of the deck. But all of this is just advice; without drawings and the ability to see the exact details, you must consider these suggestions in context.

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